21060837

素因数分解:

$3^3\times 7^2\times {\mathrm{15919}}^1$

素因数の和:15942

約数の個数: 24

約数和(自身を含む): 36297600

約数和(自身を除く): 15236763

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15919, 47757, 111433, 143271, 334299, 429813, 780031, 1002897, 2340093, 3008691, 7020279, 21060837]

約数ペア:

[(1, 21060837), (3, 7020279), (7, 3008691), (9, 2340093), (21, 1002897), (27, 780031), (49, 429813), (63, 334299), (147, 143271), (189, 111433), (441, 47757), (1323, 15919)]